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Sheet Metal Flashing and Trim Fabrication and Installation

Open

State & Local

Response Deadline12/17/2026, 02:00:00 PM PST

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

General Info

Agency

California → Alameda County General Services Agency-Building Maintenance Department

NAICS

238160 - Roofing Contractors

Place of Performance

Hayward, CA, 94544, USA

Set-Aside

NONE

Documents

This scope was carved out of 902811.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

224 W. Winton Building Roof Replacement

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Timeline

PostedNov 5

subcontract

Response DeadlineDec 17

Submission deadline

Response Deadline

12/17/2026, 02:00:00 PM PSTin about 1 month

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Organization & Contact Information

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AgencyCalifornia → Alameda County General Services Agency-Building Maintenance Department

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Alameda County General Services Agency-Building Maintenance Department

Office AddressN/A

ContactsNo contact information available

Full Description

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Fabricates and installs sheet metal flashing, coping, and trim for prime contractors on Alameda County facility projects. Installs metal edge systems, counterflashing, parapet coping caps, and metal ladders using galvanized or stainless steel. Follows SMACNA and NRCA manuals. Applies sheet membrane waterproofing at closure flanges. Delivers completed flashing and trim systems.

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Solicitation # 902811

The Alameda County General Services Agency Building Maintenance Department is soliciting bids for the Phase 2 roof replacement of the Winton Building located at 224 W Winton Ave, Hayward, California. This stipulated sum, single-prime contract requires the contractor to provide all labor, materials, and equipment to install a complete roofing system, including standing seam metal roof panels, ANSI-SPRI ES-1 edge metal, and various coatings and membranes. The basis of design is Garland Company, Inc., and all components must be sourced from a single manufacturer covered by a sole source warranty. The project mandates strict adherence to NRCA Roofing and Waterproofing Manual standards, Cal/OSHA Title 8 safety regulations, and ASTM fire and material specifications. Bidders must submit sealed proposals via the County of Alameda Procurement Portal by 2:00 pm on December 17, 2026. Evaluation is based on responsiveness, qualifications, and financial ability, with the County reserving the right to reject bids that are unbalanced or non-responsive. Required submissions include a bid bond of at least ten percent, a non-collusion affidavit, and certifications for workers' compensation, hazardous materials, and prevailing wage compliance. Awarded contractors must provide 100% performance and payment bonds and implement a comprehensive site logistics and security plan, specifically addressing tool control and working around inmates. Performance is subject to manufacturer field inspections three times per week and strict adherence to normal work hours from 6:00 AM to 5:00 PM, Monday through Friday.

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